# Substack: Substack experiencing increased latency

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-09-15 15:24 UTC · Resolved: 2025-09-15 19:12 UTC · Duration: 3.8 h
- Updates: 10 · Affected components: Writer dashboards, Email delivery, Substack publications, Substack.com, Custom domains
- [Vendor status page: https://stspg.io/1cqm92rx91q9](https://stspg.io/1cqm92rx91q9)
- [Company: Substack](https://rewindex.com/company/substack.md)

## Timeline of updates

- **investigating** 2025-09-15 15:24 UTC: We are currently investigating reports of increased latency and slow response times across Substack.
- **investigating** 2025-09-15 15:34 UTC: We are continuing to investigate increased latency and error rates across Substack.
- **identified** 2025-09-15 15:42 UTC: We have identified an issue and are seeing normal performance across all systems.
- **identified** 2025-09-15 15:50 UTC: We are continuing to investigate increased latency and error rates across Substack.
- **identified** 2025-09-15 16:38 UTC: We are working to resolve the remaining performance issues across Substack and expect to see recovery shortly.
- **monitoring** 2025-09-15 16:46 UTC: We are seeing recovery of performance across Substack and are monitoring the issue.
- **monitoring** 2025-09-15 16:53 UTC: As part of the earlier incident, we are noting delays in analytics updating and post email delivery. We are working to resolve the issue.
- **identified** 2025-09-15 17:43 UTC: We are seeing recurrence of increased error rates and degraded performance across Substack.
- **monitoring** 2025-09-15 18:39 UTC: Substack is operating normally and our team is monitoring.
- **resolved** 2025-09-15 19:12 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/substack/incidents/hpcw08q5k7rl · Markdown: https://rewindex.com/company/substack/incidents/hpcw08q5k7rl.md · JSON: https://rewindex.com/api/v1/companies/substack/incidents/hpcw08q5k7rl · Generated 2026-10-18T09:34:46.994Z